Clashes between more than 150 migrants street vendors in central Athens left 13 people injured - some seriously - over night Saturday. According to witnesses, hundreds of bystanders fled from the area of the Omonoia Square where mainly African vendors armed with knives, axes, and iron bars fought each other over territory.

One policeman was also injured in the melee and was forced to discharge his firearm, resulting in the wounding of a migrant and a bystander, state-run media reported.

The clashes ended early Saturday morning after special police units were deployed. A total of 56 people were arrested.